package cn.mujiankeji.mbrowser.界面.设置

import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.LazyColumn

import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowBack
import androidx.compose.material.icons.filled.Info

import androidx.compose.material3.Card
import androidx.compose.material3.Divider
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Switch
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.unit.dp
import cn.mujiankeji.mbrowser.界面.图标.MyIconPack
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.下载
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.书签
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.全屏
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.历史
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.向右
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.安全
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.指纹
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.旋转
import cn.mujiankeji.mbrowser.界面.图标.myiconpack.暗色


@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun 设置页面(
    导航到历史记录: () -> Unit,
    导航到书签: () -> Unit,
    返回: () -> Unit
) {

    Scaffold(
        topBar = {
            TopAppBar(
                title = { Text("设置") },
                navigationIcon = {
                    IconButton(onClick = 返回) {
                        Icon(Icons.Default.ArrowBack, contentDescription = "返回")
                    }
                }
            )
        }
    ) { padding ->
        LazyColumn(
            modifier = Modifier
                .fillMaxSize()
                .padding(padding)
        ) {
            item {
                设置分组("常规") {
                    开关设置项(
                        图标 = MyIconPack.暗色,
                        标题 = "深色模式",
                        描述 = "切换应用的颜色主题",
                        开关状态 = false,
                        切换 = { /* TODO: 实现深色模式切换 */ }
                    )
                    
                    开关设置项(
                        图标 = MyIconPack.旋转,
                        标题 = "屏幕旋转",
                        描述 = "允许应用随设备旋转",
                        开关状态 = false,
                        切换 = { /* TODO: 实现屏幕旋转切换 */ }
                    )
                    
                    开关设置项(
                        图标 = MyIconPack.全屏,
                        标题 = "全屏浏览",
                        描述 = "隐藏系统状态栏以获得更大的浏览空间",
                        开关状态 = false,
                        切换 = { /* TODO: 实现全屏浏览切换 */ }
                    )
                }
            }
            
            item {
                设置分组("数据管理") {
                    点击设置项(
                        图标 = MyIconPack.书签,
                        标题 = "书签",
                        描述 = "管理保存的书签",
                        点击 = 导航到书签
                    )
                    
                    点击设置项(
                        图标 = MyIconPack.历史,
                        标题 = "历史记录",
                        描述 = "查看和管理浏览历史",
                        点击 = 导航到历史记录
                    )
                    
                    点击设置项(
                        图标 = MyIconPack.下载,
                        标题 = "下载",
                        描述 = "管理下载的文件",
                        点击 = { /* TODO: 导航到下载页面 */ }
                    )
                }
            }
            
            item {
                设置分组("隐私与安全") {
                    点击设置项(
                        图标 = MyIconPack.指纹,
                        标题 = "隐私设置",
                        描述 = "管理网站权限、Cookie和其他隐私选项",
                        点击 = { /* TODO: 导航到隐私设置页面 */ }
                    )
                    
                    点击设置项(
                        图标 = MyIconPack.安全,
                        标题 = "安全设置",
                        描述 = "开启安全浏览功能，防止危险网站和下载",
                        点击 = { /* TODO: 导航到安全设置页面 */ }
                    )
                }
            }
            
            item {
                设置分组("关于") {
                    点击设置项(
                        图标 = Icons.Default.Info,
                        标题 = "关于应用",
                        描述 = "版本信息、开源许可和联系方式",
                        点击 = { /* TODO: 导航到关于页面 */ }
                    )
                }
            }
        }
    }
}

@Composable
fun 设置分组(
    标题: String,
    内容: @Composable () -> Unit
) {
    Column(
        modifier = Modifier
            .fillMaxWidth()
            .padding(horizontal = 16.dp)
    ) {
        Text(
            text = 标题,
            style = MaterialTheme.typography.titleMedium,
            color = MaterialTheme.colorScheme.primary,
            modifier = Modifier.padding(vertical = 8.dp)
        )
        
        Card(
            modifier = Modifier.fillMaxWidth()
        ) {
            Column {
                内容()
            }
        }
        
        Spacer(modifier = Modifier.height(16.dp))
    }
}

@Composable
fun 开关设置项(
    图标: ImageVector,
    标题: String,
    描述: String,
    开关状态: Boolean,
    切换: () -> Unit
) {
    Row(
        modifier = Modifier
            .fillMaxWidth()
            .clickable { 切换() }
            .padding(16.dp),
        verticalAlignment = Alignment.CenterVertically
    ) {
        Icon(
            imageVector = 图标,
            contentDescription = null,
            tint = MaterialTheme.colorScheme.primary
        )
        
        Spacer(modifier = Modifier.width(16.dp))
        
        Column(
            modifier = Modifier.weight(1f)
        ) {
            Text(
                text = 标题,
                style = MaterialTheme.typography.bodyLarge
            )
            Text(
                text = 描述,
                style = MaterialTheme.typography.bodyMedium,
                color = MaterialTheme.colorScheme.onSurfaceVariant
            )
        }
        
        Switch(
            checked = 开关状态,
            onCheckedChange = { 切换() }
        )
    }
}

@Composable
fun 点击设置项(
    图标: ImageVector,
    标题: String,
    描述: String,
    点击: () -> Unit
) {
    Row(
        modifier = Modifier
            .fillMaxWidth()
            .clickable { 点击() }
            .padding(16.dp),
        verticalAlignment = Alignment.CenterVertically
    ) {
        Icon(
            imageVector = 图标,
            contentDescription = null,
            tint = MaterialTheme.colorScheme.primary
        )
        
        Spacer(modifier = Modifier.width(16.dp))
        
        Column(
            modifier = Modifier.weight(1f)
        ) {
            Text(
                text = 标题,
                style = MaterialTheme.typography.bodyLarge
            )
            Text(
                text = 描述,
                style = MaterialTheme.typography.bodyMedium,
                color = MaterialTheme.colorScheme.onSurfaceVariant
            )
        }
        
        Icon(
            imageVector = MyIconPack.向右,
            contentDescription = null,
            tint = MaterialTheme.colorScheme.onSurfaceVariant
        )
    }
} 